Gaya APA
Jenkins, M. (2009).
The Time Book: A Brief History from Lunar Calendars to Atomic Clocks (E : 1).
LONDON:
WALKER BOOKS LTD.
Gaya MLA
Jenkins, Martin.
"The Time Book: A Brief History from Lunar Calendars to Atomic Clocks".
E : 1
LONDON:
WALKER BOOKS LTD,
2009.
Text.